<!DOCTYPE HTML>
<style>

div {
  width: -moz-min-content;
}

</style>

<!-- If you delete this div, the bug goes away, because we don't cache
     vertical-specific data in the rule tree.  -->
<div style="writing-mode: vertical-rl"></div>

<div>This should have min-content width (i.e., many line breaks).</div>
